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refrigerate

[ri-frij-uh-reyt]
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verb (used with object), re·frig·er·at·ed, re·frig·er·at·ing.
  1. to make or keep cold or cool, as for preservation.
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Origin of refrigerate

1525–35; < Latin refrīgerātus, past participle of refrīgerāre to make cool, equivalent to re- re- + frīgerāre to make cool, derivative of frīgus cold; see -ate1
Related formsre·frig·er·a·tive, re·frig·er·a·to·ry [ri-frij-er-uh-tawr-ee, -tohr-ee] /rɪˈfrɪdʒ ər əˌtɔr i, -ˈtoʊr i/, adjectivenon·re·frig·er·at·ed, adjectiveun·re·frig·er·at·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for unrefrigerated

refrigerate

verb
  1. to make or become frozen or cold, esp for preservative purposes; chill or freeze
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Derived Formsrefrigeration, nounrefrigerative, adjectiverefrigeratory, adjective, noun

Word Origin

C16: from Latin refrīgerāre to make cold, from re- + frīgus cold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unrefrigerated

refrigerate

v.

1530s, back-formation from refrigeration, or else from Latin refrigeratus, past participle of refrigerare "make cool or cold." Related: Refrigerated; refrigerating. Earlier words in the same sense of "to make cold, to cool" were infrigiden, infrigidate (both early 15c.).

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Online Etymology Dictionary, © 2010 Douglas Harper